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Company Filing History:
39 out of 1,118 
3 out of 5 
2 out of 5,444 
Years Active: 1989-2024
Title: **Stephen Thomas Wellinghoff: Innovator in Bioreactor Technology**
Introduction
Stephen Thomas Wellinghoff is a notable inventor based in San Antonio, Texas, recognized for his significant contributions to the field of bioreactor technology. With an impressive portfolio of 50 patents, he exemplifies innovation and leads advancements in biopharmaceutical applications.
Latest Patents
Among his latest inventions are two key patents that showcase his expertise. The first patent focuses on **three-dimensional bioreactors**. This invention relates to the design, fabrication, and applications of 3D bioreactors for cell expansion and the production of cell-secreted substances. Notably, these bioreactors have relatively low levels of potentially cytotoxic compounds and can be coated with substituted or unsubstituted poly(p-xylene) type coatings. Additionally, they can also be separately formed from liquid crystal photopolymerizable monomers. The second patent concerns **pharmaceutical salt forms of Cepharanthine and Tetrandrine**. This disclosure relates to the preparation of polymorphic mixtures of Cepharanthine hydrochloride. Mixtures of various polymorphic forms can be created in a mobile liquid phase using organic/aqueous solvent mixtures together with enteric polymer, which can subsequently be spray-dried to produce solid particulate enteric formulations for medicinal drug-treatment applications.
Career Highlights
Stephen's journey as an inventor is marked by a series of distinguished career highlights. He has worked at the Southwest Research Institute, where he has collaborated with leading professionals in the field of research and innovation. His work has focused on developing cutting-edge solutions that address real-world challenges in biomedicine and biopharmaceutical production.
Collaborations
Throughout his career, Stephen has collaborated with notable professionals such as Joel J. Kampa and Hong Dixon. These collaborations have likely contributed to the depth and breadth of his work, facilitating the advancement of innovative technologies in the life sciences.
Conclusion
In conclusion, Stephen Thomas Wellinghoff stands out as a pioneering inventor in bioreactor technology, with a wealth of patents that underscore his innovative spirit. His contributions are paving the way for future advancements in pharmaceuticals, demonstrating the transformative power of creativity and research in enhancing human health.
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